/Engine/Plugins/Experimental/GeometryScripting/Source/GeometryScriptingCore/Public/GeometryScript/MeshMaterialFunctions.h
Set a new MaterialID on all the triangles of TargetMesh with the given PolyGroup.
static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * SetPolygroupMaterialID ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptGroupLayer](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptGroupLayer) GroupLayer, int PolygroupID, int MaterialID, bool & bIsValidPolygroupID, bool bDeferChangeNotifications, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )